Research Article
Comparison of Raw Dairy Manure Slurry and Anaerobically Digested Slurry as N Sources for Grass Forage Production
Table 1
Average air temperature and total precipitation by month beginning at the start of plot implementation through the 3rd growing season.
| Year | Month | Average air temp (°C) | Total precipitation (mm) |
| 2009 | April | 9.2 | 61 | May | 12.8 | 73 | June | 16.8 | 19 | July | 20.0 | 6 | August | 18.0 | 13 | September | 15.5 | 54 | October | 9.9 | 100 | November | 7.6 | 137 | December | 1.4 | 35 |
| 2010 | January | 7.3 | 89 | February | 7.0 | 44 | March | 7.8 | 54 | April | 9.4 | 55 | May | 11.2 | 66 | June | 14.4 | 61 | July | 17.0 | 7 | August | 17.1 | 22 | September | 15.3 | 85 | October | 10.6 | 85 | November | 5.7 | 107 | December | 5.3 | 184 |
| 2011 | January | 5.1 | 120 | February | 3.4 | 80 | March | 7.1 | 119 | April | 7.2 | 79 | May | 10.6 | 74 | June | 14.1 | 39 | July | 15.7 | 18 | August | 16.4 | 3 | September | 15.5 | 23 | October | 10.2 | 71 |
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Data from Washington State University AgWeatherNet, 21-Acres Station.
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